Eberhard Wolff has 20+ years of experience as an architect and consultant - often on the intersection of business and technology. He is Head of Architecture at SWAGLab. As a speaker, he has given talks at international conferences and as an author, he has written more than 100 articles and books e.g. about Microservices and Continuous Delivery. His technological focus is on modern architectures – often involving Cloud, Domain-driven Design, and Microservices.

Eberhard Wolff has 20+ years of experience as an architect and consultant - often on the intersection of business and technology. He is Head of Architecture at SWAGLab. As a speaker, he has given talks at international conferences and as an author, h... Show more

As a software architect, consultant and trainer at embarc Software Consulting GmbH, Falk Sippach is always on the lookout for that spark of passion that he can ignite in his participants, customers and colleagues. He has been supporting mostly agile software development projects in the Java environment for over 20 years. As an active part of the community (co-organizer of the JUG Darmstadt and Java Champion) he also likes to share his knowledge in articles, blog posts, as well as in presentations at conferences or user group meetings and supports the organization of various professional events.

As a software architect, consultant and trainer at embarc Software Consulting GmbH, Falk Sippach is always on the lookout for that spark of passion that he can ignite in his participants, customers and colleagues. He has been supporting mostly agile ... Show more

Sammy is a seasoned consultant with an extensive background in diverse industries and over a decade of experience. With a specialization in the Microsoft Stack, he has successfully undertaken and delivered numerous projects across sectors such as finance, healthcare, and beyond.

In 2015, Sammy made a significant shift in his career by redirecting his focus towards Machine Learning and Artificial Intelligence (AI). Recognizing the transformative potential of these emerging technologies, he dedicated himself to mastering their applications and staying at the forefront of the field. His deep understanding of AI and its practical implications has allowed him to contribute significantly to the advancement of organizations he has been involved with.

In 2017, Sammy played a pivotal role in the launch of a new company that specializes in leveraging Artificial Intelligence and Microsoft tools to maximize organizations' potential. His expertise and leadership were instrumental in establishing the company as a prominent player in the AI landscape. Through his strategic insights and hands-on involvement, Sammy has helped numerous businesses harness the power of AI to drive innovation, improve operational efficiency, and achieve sustainable growth.

Beyond his professional endeavors, Sammy is a passionate advocate for AI education and community building. He serves as a board member of the global AI community, where he actively contributes to fostering collaboration, knowledge sharing, and networking opportunities among professionals in the field. As an esteemed international speaker, Sammy frequently shares his expertise and insights at industry conferences, seminars, and workshops, inspiring and educating audiences about the transformative potential of AI.

Sammy's commitment to excellence and his contributions to the AI community have been recognized with the prestigious MVP (Most Valuable Professional) award in AI since 2021. This accolade further underscores his dedication, expertise, and impact in the field, cementing his position as a trusted advisor and thought leader in the intersection of AI and business.

With his vast experience, deep knowledge, and unwavering passion for AI, Sammy continues to shape the future of organizations by unlocking their potential through cutting-edge technologies, and inspiring others to embark on their own AI journeys.

Sammy is a seasoned consultant with an extensive background in diverse industries and over a decade of experience. With a specialization in the Microsoft Stack, he has successfully undertaken and delivered numerous projects across sectors such as fin... Show more

Meet Sally! Sally serves as a Data Engineer with an expertise in Azure Cloud Analytics Services, with years of experience under her belt.
Since earning her M.Sc. degree in Software Engineering, Sally has become a significant voice in Azure Cloud Analytics Services, publishing over ten blogs on Microsoft's Tech Community blog. What excites Sally most about her work is the opportunity to build Proof of Concepts (POCs) that help Microsoft customers unlock their business potential – by doing so, she remains true to her ultimate mission: to empower innovation through Azure's boundless possibilities. Away from her professional endeavors, Sally finds joy in baking pastries, a hobby she shares with her followers on Instagram for inspiration.

Meet Sally! Sally serves as a Data Engineer with an expertise in Azure Cloud Analytics Services, with years of experience under her belt. Since earning her M.Sc. degree in Software Engineering, Sally has become a significant voice in Azure Cloud An... Show more

Senior AI Engineer |Phd Candidate in xAI | AI Expert Consultant | AI Expert Author | International AI Speaker

Senior AI Engineer |Phd Candidate in xAI | AI Expert Consultant | AI Expert Author | International AI Speaker Show more

Neel is a tech enthusiast, blogger, writer, speaker, and solutions architect. He has 10 years of professional experience. Apart from being a developer, he is an award-winning tech blogger. He likes to stay up-to-date with the latest technology stack, and he likes to share his knowledge with the community. He often arranges RTL meetups to share knowledge. He is a DZone MVB and Top 4% overall on the StackOverflow site. You can find him at his site: https://neelbhatt.com

Neel is a tech enthusiast, blogger, writer, speaker, and solutions architect. He has 10 years of professional experience. Apart from being a developer, he is an award-winning tech blogger. He likes to stay up-to-date with the latest technology stack,... Show more

Louëlla Creemers is a software developer from the Netherlands focusing on .NET, C#, and modern web technologies. She is active in the developer community as a teacher, content creator, blogger, and public speaker, with a focus on making advanced or new topics accessible to developers at all stages of their careers. Online, she enjoys sharing educational content and the occasional joke with an audience of over 30,000 developers.

Through her community involvement, Louëlla was awarded the Microsoft MVP title in 2023 in the Developer Technologies category. She is also a board member of the .NET Foundation and a mentor for her local CoderDojo.

Louëlla Creemers is a software developer from the Netherlands focusing on .NET, C#, and modern web technologies. She is active in the developer community as a teacher, content creator, blogger, and public speaker, with a focus on making advanced or n... Show more

I help organizations see their work differently — crafting AI Agent‑based solutions that relieve costly drudgery and accelerate real‑world victories.

As an "AI Whisperer" with consulting firm Nimble Gravity, I don’t just deliver cost‑effective solutions — I equip humans in the loop to use generative AI as a true collaborator, accelerating development workflows, boosting productivity, and infusing greater creativity, speed, and clarity into the products we build.

- Rare Perspectives and Opportunities -

* Proven Track Record
Jim's career is built on a foundation of successful projects and satisfied clients. He has consistently delivered high-quality solutions that drive business growth and efficiency. Jim also understands that solution modernization broadens access to more energized talent pools, bringing costs down.

* Adaptability and Continuous Learning
Despite his extensive experience, Jim remains committed to continuous learning and staying current with the latest industry trends and technologies. As a Microsoft MVP, he is often tapped by Microsoft for feedback and guidance on their latest tools and platforms, ensuring he brings fresh, innovative ideas to every project.

* Leadership and Mentorship
Jim is passionate about sharing his knowledge and expertise. As a Microsoft MVP in Developer Technologies, an author, and a speaker, he actively contributes to the tech community. He also volunteers as a community CTO, event organizer, mentor, and presenter for various software development events and meetups.

* Collaborative Approach
Jim believes in the power of collaboration and teamwork. He enjoys working closely with clients, peers, and Microsoft's product development teams to make informed choices and achieve shared goals.

* Experience with Modern Methodologies
Jim's experience includes introducing modern methodologies, techniques, and tools to teams, improving software development lifecycle efficiencies, and fine-tuning agile methodologies. This has resulted in significant cost savings and enhanced capabilities for his clients.

Jim believes in blending expertise, experience, risk management techniques, and emotional intelligence to elevate the software profession. Let's connect and explore how he can help your organization achieve its goals.

I help organizations see their work differently — crafting AI Agent‑based solutions that relieve costly drudgery and accelerate real‑world victories. As an "AI Whisperer" with consulting firm Nimble Gravity, I don’t just deliver cost‑effective so... Show more

Andrew Madson leads Developer Relations at Fivetran, where he builds global programs that help developers and data teams adopt modern data and AI tooling. He has built DevRel, education, and evangelism functions at Fivetran, Tobiko Data, and Dremio, delivering technical content, large-scale community programs, and keynotes across major industry conferences.

Andrew is a published author of the O’Reilly “Definitive Guide to Apache Polaris” and a graduate professor of data science and engineering. Andrew previously led AI and data teams at Arizona State University, J.P. Morgan Chase, and MassMutual among others.

Andrew Madson leads Developer Relations at Fivetran, where he builds global programs that help developers and data teams adopt modern data and AI tooling. He has built DevRel, education, and evangelism functions at Fivetran, Tobiko Data, and Dremio, ... Show more

Pradeep is as old as the internet but he didn’t have reliable access to the electricity or the internet until he entered IIT Roorkee where he studied electronics and programming. His interest in programming grew more after his work as a Computer Science Researcher at L3S Research Center (Germany) and Sabanci University (Istanbul). His newfound passion and early successes propelled him into a career as a developer.

Throughout his 14+ years of career, Pradeep developed applications in diverse domains such as dev productivity, privacy, neural search, authentication, NLP, cryptography, data engineering, etc.

Pradeep founded two startups, authored a book, and published #OpenSourceDiscovery newsletter. For 8 years, Pradeep developed and maintained his key project - Developer Diary, a cross-platform productivity tool for developers. This long-term commitment provided him with deep insights into the evolution of various engineering and community functions. Leveraging these insights, he guided various Open Source organizations to create category-leading developer tools and foster thriving, engaged developer communities.

As a late bloomer in tech from a small town, he witnessed how the internet empowered developers from remote areas to transform their lives. This inspired him to found Invide, an invitation-only community for developers from underserved regions. Drawing from his own journey, the initiative helped over 15000 experienced developers with resources he once lacked.

Pradeep is as old as the internet but he didn’t have reliable access to the electricity or the internet until he entered IIT Roorkee where he studied electronics and programming. His interest in programming grew more after his work as a Computer Scie... Show more

Tonya is an accomplished developer specializing in the creation of tailored solutions for Microsoft Dynamics 365 Business Central and Dynamics NAV. Her expertise encompasses designing and implementing customizations, seamlessly integrating systems through APIs, harnessing the power of the Power Platform, and crafting insightful reports.

Tonya is an accomplished developer specializing in the creation of tailored solutions for Microsoft Dynamics 365 Business Central and Dynamics NAV. Her expertise encompasses designing and implementing customizations, seamlessly integrating systems th... Show more

Taswar Bhatti works for Microsoft as AI Security Cloud Solutions Architect. Prior to his current position he also worked as a Solutions Architect for AWS, his focus areas are security and machine learning. He holds a BSc in Mathematics and Computing Science from University of Alberta, and is well versed in architectural design, security and building large scale security web applications; not to mention he was a Microsoft MVP for 8 years.

Taswar is also fluent in many spoken languages: Cantonese, English, Turkish, and Urdu/Hindi.

Taswar Bhatti works for Microsoft as AI Security Cloud Solutions Architect. Prior to his current position he also worked as a Solutions Architect for AWS, his focus areas are security and machine learning. He holds a BSc in Mathematics and Computing... Show more

Staff Software Engineer with 10+ years of experience, currently working at Thermo Fisher Scientific. Interested in Domain-Driven Design and System Architectures. Passionate about leveraging AI to drive innovative solutions. Actively involved in the software engineering community, conducting workshops, talks, and lectures on topics such as GitHub Copilot and other topics from software engineering area.

Staff Software Engineer with 10+ years of experience, currently working at Thermo Fisher Scientific. Interested in Domain-Driven Design and System Architectures. Passionate about leveraging AI to drive innovative solutions. Actively involved in the s... Show more

Sr. Solution Architect at Microsoft. I started programming as a kid and never stopped. I have worked across everything from embedded systems to large‑scale data platforms. My work over the past decade has focused on Data and AI with a strong emphasis on Microsoft Fabric, SQL Server, Databricks, cloud‑scale architectures, modern data engineering, and Machine Learning. I volunteer teaching AI and Machine Learning, and I’m currently writing “The Data Engineer’s Guide to Microsoft Fabric” for O’Reilly.

Sr. Solution Architect at Microsoft. I started programming as a kid and never stopped. I have worked across everything from embedded systems to large‑scale data platforms. My work over the past decade has focused on Data and AI with a strong emphasis... Show more

Ixchel Ruiz has been developing software applications and tools since 2000. Her research interests include Java, dynamic languages, client-side technologies, and testing. As a member of the JCP Executive Committee, Java Champion, Oracle ACE Pro, Testcontainers Community Champion, CDF Ambassador, Hackergarten enthusiast, Open Source advocate, public speaker, and mentor, Ixchel is deeply committed to fostering inclusive and collaborative tech communities. She actively mentors aspiring developers and champions initiatives aimed at increasing diversity and accessibility in the technology sector.

Ixchel’s work is characterised by a relentless pursuit of innovation, a deep understanding of user needs, and an unwavering commitment to ethical technology development.

Ixchel Ruiz has been developing software applications and tools since 2000. Her research interests include Java, dynamic languages, client-side technologies, and testing. As a member of the JCP Executive Committee, Java Champion, Oracle ACE Pro, Test... Show more

Budha is the Director of Product Ecosystem at Tyk, where he leads product education, ecosystem expansion, and adoption of open standards. He is the co-creator of the API platform maturity model, course instructor, conference speaker, and host of Tyk's annual LEAP conferences.

As the elected board chair of the OpenAPI Initiative, he is responsible for increasing membership, defining the value proposition, and driving the adoption of OAS, Arazzo, and Overlays.

Part product strategist, part developer advocate, and part storyteller, he’s on a mission to remove friction from API ecosystems by breaking down tech complexities preferably with a great metaphor and a well-placed pun.

Budha is the Director of Product Ecosystem at Tyk, where he leads product education, ecosystem expansion, and adoption of open standards. He is the co-creator of the API platform maturity model, course instructor, conference speaker, and host of Tyk'... Show more

👋 Me presento, mi nombre es Sara y como buena millennial 🔝, mi trayectoria profesional se podría resumir en una gymkana laboral continua que me empuja a reinventarme y adaptarme al entorno socioeconómico que le ha tocado vivir a mi generación.

Por eso soy Técnica superior en sistemas de telecom. e informáticos 👩‍💻, Diplomada en Ciencias Empresariales 💰 y Power BI developer 📊 ¡Me apasiona fusionar las finanzas con las nuevas tecnologías! 💡

Me encanta romper la brecha digital allá dónde voy y participar en los procesos de adopción digital de las empresas. Por eso, también soy creadora de contenido y formadora de Power BI. Tengo un canal de Youtube en el que doy truquitos cortos sobre PowerBI: https://www.youtube.com/@KawaiiBI

También soy cibervoluntaria (https://www.cibervoluntarios.org/) e intento ayudar a otras personas que lo necesitan a romper la brecha digital para que este mundo tan avanzado no las deje fuera del juego💞.

He vendido lavadoras, he sido hostelera y en mi última vida laboral fui contable-fiscal pero ahora después de mucho practicar, mucho estudiar y mucho esfuerzo soy muy feliz trabajando de consultora de PowerBI, herramienta que me apasiona y que fusiona las finanzas, la tecnología y la formación, tres campos que me encantan. 😍💞

👋 Me presento, mi nombre es Sara y como buena millennial 🔝, mi trayectoria profesional se podría resumir en una gymkana laboral continua que me empuja a reinventarme y adaptarme al entorno socioeconómico que le ha tocado vivir a mi generación. ... Show more

Mihaela is an Experienced Software Architect at Systematic, Romania, and an Oracle ACE Associate for Java. Ph.D in artificial neural network algorithms, Assistant Professor at the University of Cybernetics and Informatics in Bucharest, she is a dedicated lead developer and architect who enjoys sharing her knowledge.

In her professional career, spanning over 14+ years, she worked for telecom and defence domains with a focus on Java, Spring Boot, C, C#, Scala and Angular.

Apart from her passion for programming, she loves parrots, she is enthusiastic about traveling the world and doing a lot of sports, from running at marathons, martial arts and to different aerobic trainings.

Mihaela is an Experienced Software Architect at Systematic, Romania, and an Oracle ACE Associate for Java. Ph.D in artificial neural network algorithms, Assistant Professor at the University of Cybernetics and Informatics in Bucharest, she is a dedic... Show more

Oren Nakdimon is an Oracle ACE Director with 30+ years of extensive and continuous experience with Oracle-based systems, as a developer, DBA, manager and instructor. Oren gained lots of knowledge about databases in general, and Oracle in particular, and likes sharing it - by blogging, tweeting, presenting in local and international conferences, and more.
He is the database architect of Moovit, where he has been working since 2012.

Oren Nakdimon is an Oracle ACE Director with 30+ years of extensive and continuous experience with Oracle-based systems, as a developer, DBA, manager and instructor. Oren gained lots of knowledge about databases in general, and Oracle in particular, ... Show more

Koen Verbeeck is a data professional working at AE. He helps organizations to get insight in their data and to improve their analytics solutions. Koen has over a decade and a half of experience in developing data warehouses, models and reports using the Microsoft data platform. Koen was a Microsoft Data Platform MVP for 8 consecutive years, and 1 year Microsoft Fabric MVP. He has a blog at http://www.sqlkover.com, writes articles for MSSQLTips.com and is a frequent speaker at Microsoft Data Platform events.

Koen Verbeeck is a data professional working at AE. He helps organizations to get insight in their data and to improve their analytics solutions. Koen has over a decade and a half of experience in developing data warehouses, models and reports using ... Show more

Graziano is a DevRel Engineer at Akamas, where he spends his days convincing computers to stop being lazy and start being efficient. A former distributed systems developer and product manager, he’s now on a mission to optimize the entire cloud-native universe, one Pod at a time. As a Tech Lead for the CNCF TAG DevEx and a member of the Kubernetes Release Team since v1.34, he balances deep infrastructure roots with a passion for developer happiness. Obsessed with AI, Platform Engineering, and saving the planet through better code, Graziano is basically trying to make the cloud faster, greener, and significantly less annoying for everyone.

More on: https://castograziano.com/

Graziano is a DevRel Engineer at Akamas, where he spends his days convincing computers to stop being lazy and start being efficient. A former distributed systems developer and product manager, he’s now on a mission to optimize the entire cloud-native... Show more

My name is Sergio Albea and I'm originally from a tiny town called Valls, Spain, known for building the best human castles (called castells). About 15 years ago, I moved to Barcelona, where I had an amazing time both personally and professionally. Five years ago, I landed in beautiful Switzerland, where I am currently working as CSOC Security Expert, focus on threat analysis and response on SWITCH (Swiss National Research and Education Network).

With over 15 years of experience, I have immersed myself in the dynamic field of security, focusing on diverse IT landscapes and ensuring robust protection against threats and vulnerabilities. My approach is divided in proactivity, leveraging advanced analytics and architectural design to preemptively mitigate risks and fortify defenses against potential breaches.

Throughout my career, I have had to secure and manage a myriad of IT environments such as messaging platforms, Identity and Access Management systems, Information Protection mechanisms, DevOps, Azure Resources such as Databases, Networking, Storage, Scripting, and others.

I have been fortunate to work alongside professionals and amazing coworkers who have generously shared their knowledge and insights, enabling me to refine my skills and deepen my understanding of multiple best-practices, forever grateful to all of you, as you well know.

Whether through my daily work or via my YouTube channel, I take great pride in sharing my knowledge and expertise with colleagues and at the same time, continue to learn from all of them.

My name is Sergio Albea and I'm originally from a tiny town called Valls, Spain, known for building the best human castles (called castells). About 15 years ago, I moved to Barcelona, where I had an amazing time both personally and professionally. Fi... Show more

Javan is a Senior Application Security Specialist at Sage, where he supports product teams in strengthening security across the software development lifecycle. He also lectures on Secure Coding at DHBW University in Germany. His journey into ethical hacking began at a young age, when he built bots to automate online games and uncovered security flaws, which he responsibly reported to game operators. Turning this passion into a career, Javan started out as a full-stack web and mobile engineer before moving into security consulting. He holds a Master’s degree in IT Security Management and multiple certifications, including GXPN, AIGP, CISSP, CCSP, and CSSLP. Javan has presented his research and delivered hands-on workshops at conferences such as DEFCON, OWASP Global AppSec and Blackhat.

Javan is a Senior Application Security Specialist at Sage, where he supports product teams in strengthening security across the software development lifecycle. He also lectures on Secure Coding at DHBW University in Germany. His journey into ethical ... Show more

With 13 years of recognition as a Microsoft MVP in Windows Development and 1 year in .NET, I am an established expert in the tech community. I am also the creator of several successful Windows apps proudly featured in the Microsoft Store. As a trainer and consultant, I deliver engaging and practical sessions on C#, .NET, app development and performance, sharing my in-depth knowledge and experience to inspire and empower others. My talks focus on delivering valuable insights, innovative solutions, and best practices, always tailored to meet the needs of the audience.

With 13 years of recognition as a Microsoft MVP in Windows Development and 1 year in .NET, I am an established expert in the tech community. I am also the creator of several successful Windows apps proudly featured in the Microsoft Store. As a traine... Show more

Bodhisattva Das is a Security Engineer at Rudra Cybersecurity, focused on securing non-human identities, AI agents, and automated workloads across cloud environments. He specialises in open-source threat detection using Wazuh, and builds practical solutions for identity governance and AI-driven security operations. Driven by a passion for digital rights and responsible AI governance, he strives to build secure systems that protect people as technology evolves. Outside of work, he enjoys traveling and exchanging ideas with global tech communities.

Bodhisattva Das is a Security Engineer at Rudra Cybersecurity, focused on securing non-human identities, AI agents, and automated workloads across cloud environments. He specialises in open-source threat detection using Wazuh, and builds practical so... Show more

Eric Deandrea is a Java Champion & Senior Principal Software Engineer at IBM on the Quarkus engineering team. Eric has over 26 years of experience designing and building Java-based solutions and developer training programs. He is a contributor to various OSS projects, including Quarkus, Spring, LangChain4j, Docling, WireMock, and Microcks, as well as a speaker at many public events and user groups around the world. Eric recently put his Quarkus and Spring knowledge to use by publishing his first book, “Quarkus for Spring Developers (https://red.ht/quarkus-spring-devs).” Outside of work, Eric enjoys boating on the lakes of New Hampshire, ice hockey, and martial arts, in which he holds a black belt in Kempo Karate.

Eric Deandrea is a Java Champion & Senior Principal Software Engineer at IBM on the Quarkus engineering team. Eric has over 26 years of experience designing and building Java-based solutions and developer training programs. He is a contributor to var... Show more

Alfonso Graziano is a AI Tech Lead with a strong background in software engineering, specializing in JavaScript, AI and distributed systems. Currently at Nearform, Alfonso leads engineering teams to deliver impactful projects. Passionate about knowledge sharing, he loves to solve problems and contributes to tech communities.

Alfonso Graziano is a AI Tech Lead with a strong background in software engineering, specializing in JavaScript, AI and distributed systems. Currently at Nearform, Alfonso leads engineering teams to deliver impactful projects. Passionate about knowle... Show more

Klaus is a Microsoft Security MVP and works as a Technology Consultant at CGI Germany. He focuses on hybrid Microsoft technologies, with a particular emphasis on Microsoft Active Directory and Microsoft Entra ID. Driven by a strong passion for Microsoft solutions, he supports IT operators in tackling complex challenges related to modern infrastructure and identity scenarios. Klaus is a speaker at international conferences and actively contributes to the Microsoft Azure community. He also shares his knowledge through his technical blog https://nothingbutcloud.net and various professional publications.

Klaus is a Microsoft Security MVP and works as a Technology Consultant at CGI Germany. He focuses on hybrid Microsoft technologies, with a particular emphasis on Microsoft Active Directory and Microsoft Entra ID. Driven by a strong passion for Micros... Show more

Hannes is a developer, a coach and a father of 3.

In software development, he has always had a passion for performance, databases, distributed systems and large scale applications. He's always weighing every solution's benefits against its drawbacks, reducing friction where possible.

As a coach, he is enthusiastic about knowledge sharing, personal growth and building careers. Building a company culture around learning is what gets him out of bed.

In his free time, when he’s not building LEGO® castles with his kids, he likes to spend time building guitars, playing chess, mountain biking and doing all round geeky stuff.

You can often find him on stage at the conference afterparty, especially as the guitarist of Dylan Beattie & the Linebreakers.

Hannes is a developer, a coach and a father of 3. In software development, he has always had a passion for performance, databases, distributed systems and large scale applications. He's always weighing every solution's benefits against its drawbac... Show more

Pat Petersen is a Director at RSM US LLP, a leading provider of audit, tax and consulting services. He has more than 20 years of experience in Information Technology and leads the Collaboration and Voice consulting practice at RSM. Pat specializes in Microsoft 365 platforms, such as Microsoft Teams, SharePoint, PowerApps, Power Automate, and Copilot. In addition, he has extensive knowledge and experience in administration and training on these platforms and has conducted various customer immersion experiences and training sessions for RSM clients.

Pat Petersen is a Director at RSM US LLP, a leading provider of audit, tax and consulting services. He has more than 20 years of experience in Information Technology and leads the Collaboration and Voice consulting practice at RSM. Pat specializes in... Show more